Answer:
Because a president was brutaly murdered
Explanation:
President Lincoln made the use of force necessary because of his prior military actions that show that he already assumed war and has been prepared for it. The South did not like the coercive policy, diplomacy using threats, that the President had sent. Alexander Stephen that Lincoln's provocative actions will not help to stop the war. Instead, it pushed the South to justify it's use of force when necessary.
The correct answer here would be C.
Gregor Mendel was an Austrian priest, mathematician and most importantly a botanist. He is considered to be the father of classical genetics. He was among the first people to find about the dominant and recessive traits that are passed randomly from the parents to the offspring.
